期刊
JOURNAL OF MOLECULAR LIQUIDS
卷 376, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.molliq.2023.121448
关键词
Excess Molar Volume; Viscosity Deviation; Redlich-KIster Equation; PFP Model; Binary Mixture
In this study, the density and viscosity of binary mixtures of propiophenone (PP) + 2-propanol, PP + 2-butanol, PP + 2-pentanol, or PP + 2-hehanol were measured and correlated. The excess molar volume and viscosity deviation of the mixtures were found to be negative and temperature-dependent. The calculated values using Prigogine-Flory-Patterson (PFP) theory showed good agreement with the experimental data. © 2023 Elsevier B.V. All rights reserved.
In the present work, the density and viscosity of binary mixtures of propiophenone (PP) + 2-propanol, PP + 2-butanol, PP + 2-pentanol, or PP + 2-hehanol were measured over all composition range and in the temperature range of 293.15 to 323.15 K at ambient pressure (0.1 MPa). Using the experimental data of density and viscosity, the excess molar volume and viscosity deviation were calculated and correlated by applying the Redlich-Kister equation. The results show that the excess molar volume of all mixtures is negative over the entire composition range at all temperatures and become more negative with increas-ing temperature. Also, the viscosity deviation of all mixtures is negative over the whole composition range at all temperatures and become less negative with increasing temperature. The excess molar vol-umes of mixtures were correlated by using Prigogine-Flory-Patterson (PFP) theory and the agreement between the calculated values with experimental data is good. (c) 2023 Elsevier B.V. All rights reserved.
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